ui/spice-core.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include <spice.h>
  19
  20 #include <netdb.h>
  21 #include "sysemu/sysemu.h"
  22
  23 #include "qemu-common.h"
  24 #include "ui/qemu-spice.h"
  25 #include "qemu/error-report.h"
  26 #include "qemu/thread.h"
  27 #include "qemu/timer.h"
  28 #include "qemu/queue.h"
  29 #include "qemu-x509.h"
  30 #include "qemu/sockets.h"
  31 #include "qmp-commands.h"
  32 #include "qapi/qmp/qint.h"
  33 #include "qapi/qmp/qbool.h"
  34 #include "qapi/qmp/qstring.h"
  35 #include "qapi/qmp/qjson.h"
  36 #include "qemu/notify.h"
  37 #include "migration/migration.h"
  38 #include "hw/hw.h"
  39 #include "ui/spice-display.h"
  40 #include "qapi-event.h"
  41
  42 /* core bits */
  43
  44 static SpiceServer *spice_server;
  45 static Notifier migration_state;
  46 static const char *auth = "spice";
  47 static char *auth_passwd;
  48 static time_t auth_expires = TIME_MAX;
  49 static int spice_migration_completed;
  50 static int spice_display_is_running;
  51 static int spice_have_target_host;
  52 int using_spice = 0;
  53
  54 static QemuThread me;
  55
  56 struct SpiceTimer {
  57     QEMUTimer *timer;
  58     QTAILQ_ENTRY(SpiceTimer) next;
  59 };
  60 static QTAILQ_HEAD(, SpiceTimer) timers = QTAILQ_HEAD_INITIALIZER(timers);
  61
  62 static SpiceTimer *timer_add(SpiceTimerFunc func, void *opaque)
  63 {
  64     SpiceTimer *timer;
  65
  66     timer = g_malloc0(sizeof(*timer));
  67     timer->timer = timer_new_ms(QEMU_CLOCK_REALTIME, func, opaque);
  68     QTAILQ_INSERT_TAIL(&timers, timer, next);
  69     return timer;
  70 }
  71
  72 static void timer_start(SpiceTimer *timer, uint32_t ms)
  73 {
  74     timer_mod(timer->timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + ms);
  75 }
  76
  77 static void timer_cancel(SpiceTimer *timer)
  78 {
  79     timer_del(timer->timer);
  80 }
  81
  82 static void timer_remove(SpiceTimer *timer)
  83 {
  84     timer_del(timer->timer);
  85     timer_free(timer->timer);
  86     QTAILQ_REMOVE(&timers, timer, next);
  87     g_free(timer);
  88 }
  89
  90 struct SpiceWatch {
  91     int fd;
  92     int event_mask;
  93     SpiceWatchFunc func;
  94     void *opaque;
  95     QTAILQ_ENTRY(SpiceWatch) next;
  96 };
  97 static QTAILQ_HEAD(, SpiceWatch) watches = QTAILQ_HEAD_INITIALIZER(watches);
  98
  99 static void watch_read(void *opaque)
 100 {
 101     SpiceWatch *watch = opaque;
 102     watch->func(watch->fd, SPICE_WATCH_EVENT_READ, watch->opaque);
 103 }
 104
 105 static void watch_write(void *opaque)
 106 {
 107     SpiceWatch *watch = opaque;
 108     watch->func(watch->fd, SPICE_WATCH_EVENT_WRITE, watch->opaque);
 109 }
 110
 111 static void watch_update_mask(SpiceWatch *watch, int event_mask)
 112 {
 113     IOHandler *on_read = NULL;
 114     IOHandler *on_write = NULL;
 115
 116     watch->event_mask = event_mask;
 117     if (watch->event_mask & SPICE_WATCH_EVENT_READ) {
 118         on_read = watch_read;
 119     }
 120     if (watch->event_mask & SPICE_WATCH_EVENT_WRITE) {
 121         on_write = watch_write;
 122     }
 123     qemu_set_fd_handler(watch->fd, on_read, on_write, watch);
 124 }
 125
 126 static SpiceWatch *watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 127 {
 128     SpiceWatch *watch;
 129
 130     watch = g_malloc0(sizeof(*watch));
 131     watch->fd     = fd;
 132     watch->func   = func;
 133     watch->opaque = opaque;
 134     QTAILQ_INSERT_TAIL(&watches, watch, next);
 135
 136     watch_update_mask(watch, event_mask);
 137     return watch;
 138 }
 139
 140 static void watch_remove(SpiceWatch *watch)
 141 {
 142     qemu_set_fd_handler(watch->fd, NULL, NULL, NULL);
 143     QTAILQ_REMOVE(&watches, watch, next);
 144     g_free(watch);
 145 }
 146
 147 typedef struct ChannelList ChannelList;
 148 struct ChannelList {
 149     SpiceChannelEventInfo *info;
 150     QTAILQ_ENTRY(ChannelList) link;
 151 };
 152 static QTAILQ_HEAD(, ChannelList) channel_list = QTAILQ_HEAD_INITIALIZER(channel_list);
 153
 154 static void channel_list_add(SpiceChannelEventInfo *info)
 155 {
 156     ChannelList *item;
 157
 158     item = g_malloc0(sizeof(*item));
 159     item->info = info;
 160     QTAILQ_INSERT_TAIL(&channel_list, item, link);
 161 }
 162
 163 static void channel_list_del(SpiceChannelEventInfo *info)
 164 {
 165     ChannelList *item;
 166
 167     QTAILQ_FOREACH(item, &channel_list, link) {
 168         if (item->info != info) {
 169             continue;
 170         }
 171         QTAILQ_REMOVE(&channel_list, item, link);
 172         g_free(item);
 173         return;
 174     }
 175 }
 176
 177 static void add_addr_info(SpiceBasicInfo *info, struct sockaddr *addr, int len)
 178 {
 179     char host[NI_MAXHOST], port[NI_MAXSERV];
 180
 181     getnameinfo(addr, len, host, sizeof(host), port, sizeof(port),
 182                 NI_NUMERICHOST | NI_NUMERICSERV);
 183
 184     info->host = g_strdup(host);
 185     info->port = g_strdup(port);
 186     info->family = inet_netfamily(addr->sa_family);
 187 }
 188
 189 static void add_channel_info(SpiceChannel *sc, SpiceChannelEventInfo *info)
 190 {
 191     int tls = info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 192
 193     sc->connection_id = info->connection_id;
 194     sc->channel_type = info->type;
 195     sc->channel_id = info->id;
 196     sc->tls = !!tls;
 197 }
 198
 199 static void channel_event(int event, SpiceChannelEventInfo *info)
 200 {
 201     SpiceServerInfo *server = g_malloc0(sizeof(*server));
 202     SpiceChannel *client = g_malloc0(sizeof(*client));
 203
 204     /*
 205      * Spice server might have called us from spice worker thread
 206      * context (happens on display channel disconnects).  Spice should
 207      * not do that.  It isn't that easy to fix it in spice and even
 208      * when it is fixed we still should cover the already released
 209      * spice versions.  So detect that we've been called from another
 210      * thread and grab the iothread lock if so before calling qemu
 211      * functions.
 212      */
 213     bool need_lock = !qemu_thread_is_self(&me);
 214     if (need_lock) {
 215         qemu_mutex_lock_iothread();
 216     }
 217
 218     if (info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT) {
 219         add_addr_info(qapi_SpiceChannel_base(client),
 220                       (struct sockaddr *)&info->paddr_ext,
 221                       info->plen_ext);
 222         add_addr_info(qapi_SpiceServerInfo_base(server),
 223                       (struct sockaddr *)&info->laddr_ext,
 224                       info->llen_ext);
 225     } else {
 226         error_report("spice: %s, extended address is expected",
 227                      __func__);
 228     }
 229
 230     switch (event) {
 231     case SPICE_CHANNEL_EVENT_CONNECTED:
 232         qapi_event_send_spice_connected(qapi_SpiceServerInfo_base(server),
 233                                         qapi_SpiceChannel_base(client),
 234                                         &error_abort);
 235         break;
 236     case SPICE_CHANNEL_EVENT_INITIALIZED:
 237         if (auth) {
 238             server->has_auth = true;
 239             server->auth = g_strdup(auth);
 240         }
 241         add_channel_info(client, info);
 242         channel_list_add(info);
 243         qapi_event_send_spice_initialized(server, client, &error_abort);
 244         break;
 245     case SPICE_CHANNEL_EVENT_DISCONNECTED:
 246         channel_list_del(info);
 247         qapi_event_send_spice_disconnected(qapi_SpiceServerInfo_base(server),
 248                                            qapi_SpiceChannel_base(client),
 249                                            &error_abort);
 250         break;
 251     default:
 252         break;
 253     }
 254
 255     if (need_lock) {
 256         qemu_mutex_unlock_iothread();
 257     }
 258
 259     qapi_free_SpiceServerInfo(server);
 260     qapi_free_SpiceChannel(client);
 261 }
 262
 263 static SpiceCoreInterface core_interface = {
 264     .base.type          = SPICE_INTERFACE_CORE,
 265     .base.description   = "qemu core services",
 266     .base.major_version = SPICE_INTERFACE_CORE_MAJOR,
 267     .base.minor_version = SPICE_INTERFACE_CORE_MINOR,
 268
 269     .timer_add          = timer_add,
 270     .timer_start        = timer_start,
 271     .timer_cancel       = timer_cancel,
 272     .timer_remove       = timer_remove,
 273
 274     .watch_add          = watch_add,
 275     .watch_update_mask  = watch_update_mask,
 276     .watch_remove       = watch_remove,
 277
 278     .channel_event      = channel_event,
 279 };
 280
 281 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin);
 282 static void migrate_end_complete_cb(SpiceMigrateInstance *sin);
 283
 284 static const SpiceMigrateInterface migrate_interface = {
 285     .base.type = SPICE_INTERFACE_MIGRATION,
 286     .base.description = "migration",
 287     .base.major_version = SPICE_INTERFACE_MIGRATION_MAJOR,
 288     .base.minor_version = SPICE_INTERFACE_MIGRATION_MINOR,
 289     .migrate_connect_complete = migrate_connect_complete_cb,
 290     .migrate_end_complete = migrate_end_complete_cb,
 291 };
 292
 293 static SpiceMigrateInstance spice_migrate;
 294
 295 static void migrate_connect_complete_cb(SpiceMigrateInstance *sin)
 296 {
 297     /* nothing, but libspice-server expects this cb being present. */
 298 }
 299
 300 static void migrate_end_complete_cb(SpiceMigrateInstance *sin)
 301 {
 302     qapi_event_send_spice_migrate_completed(&error_abort);
 303     spice_migration_completed = true;
 304 }
 305
 306 /* config string parsing */
 307
 308 static int name2enum(const char *string, const char *table[], int entries)
 309 {
 310     int i;
 311
 312     if (string) {
 313         for (i = 0; i < entries; i++) {
 314             if (!table[i]) {
 315                 continue;
 316             }
 317             if (strcmp(string, table[i]) != 0) {
 318                 continue;
 319             }
 320             return i;
 321         }
 322     }
 323     return -1;
 324 }
 325
 326 static int parse_name(const char *string, const char *optname,
 327                       const char *table[], int entries)
 328 {
 329     int value = name2enum(string, table, entries);
 330
 331     if (value != -1) {
 332         return value;
 333     }
 334     error_report("spice: invalid %s: %s", optname, string);
 335     exit(1);
 336 }
 337
 338 static const char *stream_video_names[] = {
 339     [ SPICE_STREAM_VIDEO_OFF ]    = "off",
 340     [ SPICE_STREAM_VIDEO_ALL ]    = "all",
 341     [ SPICE_STREAM_VIDEO_FILTER ] = "filter",
 342 };
 343 #define parse_stream_video(_name) \
 344     parse_name(_name, "stream video control", \
 345                stream_video_names, ARRAY_SIZE(stream_video_names))
 346
 347 static const char *compression_names[] = {
 348     [ SPICE_IMAGE_COMPRESS_OFF ]      = "off",
 349     [ SPICE_IMAGE_COMPRESS_AUTO_GLZ ] = "auto_glz",
 350     [ SPICE_IMAGE_COMPRESS_AUTO_LZ ]  = "auto_lz",
 351     [ SPICE_IMAGE_COMPRESS_QUIC ]     = "quic",
 352     [ SPICE_IMAGE_COMPRESS_GLZ ]      = "glz",
 353     [ SPICE_IMAGE_COMPRESS_LZ ]       = "lz",
 354 };
 355 #define parse_compression(_name)                                        \
 356     parse_name(_name, "image compression",                              \
 357                compression_names, ARRAY_SIZE(compression_names))
 358
 359 static const char *wan_compression_names[] = {
 360     [ SPICE_WAN_COMPRESSION_AUTO   ] = "auto",
 361     [ SPICE_WAN_COMPRESSION_NEVER  ] = "never",
 362     [ SPICE_WAN_COMPRESSION_ALWAYS ] = "always",
 363 };
 364 #define parse_wan_compression(_name)                                    \
 365     parse_name(_name, "wan compression",                                \
 366                wan_compression_names, ARRAY_SIZE(wan_compression_names))
 367
 368 /* functions for the rest of qemu */
 369
 370 static SpiceChannelList *qmp_query_spice_channels(void)
 371 {
 372     SpiceChannelList *cur_item = NULL, *head = NULL;
 373     ChannelList *item;
 374
 375     QTAILQ_FOREACH(item, &channel_list, link) {
 376         SpiceChannelList *chan;
 377         char host[NI_MAXHOST], port[NI_MAXSERV];
 378         struct sockaddr *paddr;
 379         socklen_t plen;
 380
 381         assert(item->info->flags & SPICE_CHANNEL_EVENT_FLAG_ADDR_EXT);
 382
 383         chan = g_malloc0(sizeof(*chan));
 384         chan->value = g_malloc0(sizeof(*chan->value));
 385
 386         paddr = (struct sockaddr *)&item->info->paddr_ext;
 387         plen = item->info->plen_ext;
 388         getnameinfo(paddr, plen,
 389                     host, sizeof(host), port, sizeof(port),
 390                     NI_NUMERICHOST | NI_NUMERICSERV);
 391         chan->value->host = g_strdup(host);
 392         chan->value->port = g_strdup(port);
 393         chan->value->family = inet_netfamily(paddr->sa_family);
 394
 395         chan->value->connection_id = item->info->connection_id;
 396         chan->value->channel_type = item->info->type;
 397         chan->value->channel_id = item->info->id;
 398         chan->value->tls = item->info->flags & SPICE_CHANNEL_EVENT_FLAG_TLS;
 399
 400        /* XXX: waiting for the qapi to support GSList */
 401         if (!cur_item) {
 402             head = cur_item = chan;
 403         } else {
 404             cur_item->next = chan;
 405             cur_item = chan;
 406         }
 407     }
 408
 409     return head;
 410 }
 411
 412 static QemuOptsList qemu_spice_opts = {
 413     .name = "spice",
 414     .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
 415     .desc = {
 416         {
 417             .name = "port",
 418             .type = QEMU_OPT_NUMBER,
 419         },{
 420             .name = "tls-port",
 421             .type = QEMU_OPT_NUMBER,
 422         },{
 423             .name = "addr",
 424             .type = QEMU_OPT_STRING,
 425         },{
 426             .name = "ipv4",
 427             .type = QEMU_OPT_BOOL,
 428         },{
 429             .name = "ipv6",
 430             .type = QEMU_OPT_BOOL,
 431 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 432         },{
 433             .name = "unix",
 434             .type = QEMU_OPT_BOOL,
 435 #endif
 436         },{
 437             .name = "password",
 438             .type = QEMU_OPT_STRING,
 439         },{
 440             .name = "disable-ticketing",
 441             .type = QEMU_OPT_BOOL,
 442         },{
 443             .name = "disable-copy-paste",
 444             .type = QEMU_OPT_BOOL,
 445         },{
 446             .name = "disable-agent-file-xfer",
 447             .type = QEMU_OPT_BOOL,
 448         },{
 449             .name = "sasl",
 450             .type = QEMU_OPT_BOOL,
 451         },{
 452             .name = "x509-dir",
 453             .type = QEMU_OPT_STRING,
 454         },{
 455             .name = "x509-key-file",
 456             .type = QEMU_OPT_STRING,
 457         },{
 458             .name = "x509-key-password",
 459             .type = QEMU_OPT_STRING,
 460         },{
 461             .name = "x509-cert-file",
 462             .type = QEMU_OPT_STRING,
 463         },{
 464             .name = "x509-cacert-file",
 465             .type = QEMU_OPT_STRING,
 466         },{
 467             .name = "x509-dh-key-file",
 468             .type = QEMU_OPT_STRING,
 469         },{
 470             .name = "tls-ciphers",
 471             .type = QEMU_OPT_STRING,
 472         },{
 473             .name = "tls-channel",
 474             .type = QEMU_OPT_STRING,
 475         },{
 476             .name = "plaintext-channel",
 477             .type = QEMU_OPT_STRING,
 478         },{
 479             .name = "image-compression",
 480             .type = QEMU_OPT_STRING,
 481         },{
 482             .name = "jpeg-wan-compression",
 483             .type = QEMU_OPT_STRING,
 484         },{
 485             .name = "zlib-glz-wan-compression",
 486             .type = QEMU_OPT_STRING,
 487         },{
 488             .name = "streaming-video",
 489             .type = QEMU_OPT_STRING,
 490         },{
 491             .name = "agent-mouse",
 492             .type = QEMU_OPT_BOOL,
 493         },{
 494             .name = "playback-compression",
 495             .type = QEMU_OPT_BOOL,
 496         }, {
 497             .name = "seamless-migration",
 498             .type = QEMU_OPT_BOOL,
 499         },
 500         { /* end of list */ }
 501     },
 502 };
 503
 504 SpiceInfo *qmp_query_spice(Error **errp)
 505 {
 506     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 507     int port, tls_port;
 508     const char *addr;
 509     SpiceInfo *info;
 510     unsigned int major;
 511     unsigned int minor;
 512     unsigned int micro;
 513
 514     info = g_malloc0(sizeof(*info));
 515
 516     if (!spice_server || !opts) {
 517         info->enabled = false;
 518         return info;
 519     }
 520
 521     info->enabled = true;
 522     info->migrated = spice_migration_completed;
 523
 524     addr = qemu_opt_get(opts, "addr");
 525     port = qemu_opt_get_number(opts, "port", 0);
 526     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 527
 528     info->has_auth = true;
 529     info->auth = g_strdup(auth);
 530
 531     info->has_host = true;
 532     info->host = g_strdup(addr ? addr : "*");
 533
 534     info->has_compiled_version = true;
 535     major = (SPICE_SERVER_VERSION & 0xff0000) >> 16;
 536     minor = (SPICE_SERVER_VERSION & 0xff00) >> 8;
 537     micro = SPICE_SERVER_VERSION & 0xff;
 538     info->compiled_version = g_strdup_printf("%d.%d.%d", major, minor, micro);
 539
 540     if (port) {
 541         info->has_port = true;
 542         info->port = port;
 543     }
 544     if (tls_port) {
 545         info->has_tls_port = true;
 546         info->tls_port = tls_port;
 547     }
 548
 549     info->mouse_mode = spice_server_is_server_mouse(spice_server) ?
 550                        SPICE_QUERY_MOUSE_MODE_SERVER :
 551                        SPICE_QUERY_MOUSE_MODE_CLIENT;
 552
 553     /* for compatibility with the original command */
 554     info->has_channels = true;
 555     info->channels = qmp_query_spice_channels();
 556
 557     return info;
 558 }
 559
 560 static void migration_state_notifier(Notifier *notifier, void *data)
 561 {
 562     MigrationState *s = data;
 563
 564     if (!spice_have_target_host) {
 565         return;
 566     }
 567
 568     if (migration_in_setup(s)) {
 569         spice_server_migrate_start(spice_server);
 570     } else if (migration_has_finished(s)) {
 571         spice_server_migrate_end(spice_server, true);
 572         spice_have_target_host = false;
 573     } else if (migration_has_failed(s)) {
 574         spice_server_migrate_end(spice_server, false);
 575         spice_have_target_host = false;
 576     }
 577 }
 578
 579 int qemu_spice_migrate_info(const char *hostname, int port, int tls_port,
 580                             const char *subject)
 581 {
 582     int ret;
 583
 584     ret = spice_server_migrate_connect(spice_server, hostname,
 585                                        port, tls_port, subject);
 586     spice_have_target_host = true;
 587     return ret;
 588 }
 589
 590 static int add_channel(void *opaque, const char *name, const char *value,
 591                        Error **errp)
 592 {
 593     int security = 0;
 594     int rc;
 595
 596     if (strcmp(name, "tls-channel") == 0) {
 597         int *tls_port = opaque;
 598         if (!*tls_port) {
 599             error_report("spice: tried to setup tls-channel"
 600                          " without specifying a TLS port");
 601             exit(1);
 602         }
 603         security = SPICE_CHANNEL_SECURITY_SSL;
 604     }
 605     if (strcmp(name, "plaintext-channel") == 0) {
 606         security = SPICE_CHANNEL_SECURITY_NONE;
 607     }
 608     if (security == 0) {
 609         return 0;
 610     }
 611     if (strcmp(value, "default") == 0) {
 612         rc = spice_server_set_channel_security(spice_server, NULL, security);
 613     } else {
 614         rc = spice_server_set_channel_security(spice_server, value, security);
 615     }
 616     if (rc != 0) {
 617         error_report("spice: failed to set channel security for %s", value);
 618         exit(1);
 619     }
 620     return 0;
 621 }
 622
 623 static void vm_change_state_handler(void *opaque, int running,
 624                                     RunState state)
 625 {
 626     if (running) {
 627         qemu_spice_display_start();
 628     } else {
 629         qemu_spice_display_stop();
 630     }
 631 }
 632
 633 void qemu_spice_init(void)
 634 {
 635     QemuOpts *opts = QTAILQ_FIRST(&qemu_spice_opts.head);
 636     const char *password, *str, *x509_dir, *addr,
 637         *x509_key_password = NULL,
 638         *x509_dh_file = NULL,
 639         *tls_ciphers = NULL;
 640     char *x509_key_file = NULL,
 641         *x509_cert_file = NULL,
 642         *x509_cacert_file = NULL;
 643     int port, tls_port, addr_flags;
 644     spice_image_compression_t compression;
 645     spice_wan_compression_t wan_compr;
 646     bool seamless_migration;
 647
 648     qemu_thread_get_self(&me);
 649
 650     if (!opts) {
 651         return;
 652     }
 653     port = qemu_opt_get_number(opts, "port", 0);
 654     tls_port = qemu_opt_get_number(opts, "tls-port", 0);
 655     if (port < 0 || port > 65535) {
 656         error_report("spice port is out of range");
 657         exit(1);
 658     }
 659     if (tls_port < 0 || tls_port > 65535) {
 660         error_report("spice tls-port is out of range");
 661         exit(1);
 662     }
 663     password = qemu_opt_get(opts, "password");
 664
 665     if (tls_port) {
 666         x509_dir = qemu_opt_get(opts, "x509-dir");
 667         if (!x509_dir) {
 668             x509_dir = ".";
 669         }
 670
 671         str = qemu_opt_get(opts, "x509-key-file");
 672         if (str) {
 673             x509_key_file = g_strdup(str);
 674         } else {
 675             x509_key_file = g_strdup_printf("%s/%s", x509_dir,
 676                                             X509_SERVER_KEY_FILE);
 677         }
 678
 679         str = qemu_opt_get(opts, "x509-cert-file");
 680         if (str) {
 681             x509_cert_file = g_strdup(str);
 682         } else {
 683             x509_cert_file = g_strdup_printf("%s/%s", x509_dir,
 684                                              X509_SERVER_CERT_FILE);
 685         }
 686
 687         str = qemu_opt_get(opts, "x509-cacert-file");
 688         if (str) {
 689             x509_cacert_file = g_strdup(str);
 690         } else {
 691             x509_cacert_file = g_strdup_printf("%s/%s", x509_dir,
 692                                                X509_CA_CERT_FILE);
 693         }
 694
 695         x509_key_password = qemu_opt_get(opts, "x509-key-password");
 696         x509_dh_file = qemu_opt_get(opts, "x509-dh-key-file");
 697         tls_ciphers = qemu_opt_get(opts, "tls-ciphers");
 698     }
 699
 700     addr = qemu_opt_get(opts, "addr");
 701     addr_flags = 0;
 702     if (qemu_opt_get_bool(opts, "ipv4", 0)) {
 703         addr_flags |= SPICE_ADDR_FLAG_IPV4_ONLY;
 704     } else if (qemu_opt_get_bool(opts, "ipv6", 0)) {
 705         addr_flags |= SPICE_ADDR_FLAG_IPV6_ONLY;
 706 #ifdef SPICE_ADDR_FLAG_UNIX_ONLY
 707     } else if (qemu_opt_get_bool(opts, "unix", 0)) {
 708         addr_flags |= SPICE_ADDR_FLAG_UNIX_ONLY;
 709 #endif
 710     }
 711
 712     spice_server = spice_server_new();
 713     spice_server_set_addr(spice_server, addr ? addr : "", addr_flags);
 714     if (port) {
 715         spice_server_set_port(spice_server, port);
 716     }
 717     if (tls_port) {
 718         spice_server_set_tls(spice_server, tls_port,
 719                              x509_cacert_file,
 720                              x509_cert_file,
 721                              x509_key_file,
 722                              x509_key_password,
 723                              x509_dh_file,
 724                              tls_ciphers);
 725     }
 726     if (password) {
 727         qemu_spice_set_passwd(password, false, false);
 728     }
 729     if (qemu_opt_get_bool(opts, "sasl", 0)) {
 730         if (spice_server_set_sasl(spice_server, 1) == -1) {
 731             error_report("spice: failed to enable sasl");
 732             exit(1);
 733         }
 734         auth = "sasl";
 735     }
 736     if (qemu_opt_get_bool(opts, "disable-ticketing", 0)) {
 737         auth = "none";
 738         spice_server_set_noauth(spice_server);
 739     }
 740
 741     if (qemu_opt_get_bool(opts, "disable-copy-paste", 0)) {
 742         spice_server_set_agent_copypaste(spice_server, false);
 743     }
 744
 745     if (qemu_opt_get_bool(opts, "disable-agent-file-xfer", 0)) {
 746 #if SPICE_SERVER_VERSION >= 0x000c04
 747         spice_server_set_agent_file_xfer(spice_server, false);
 748 #else
 749         error_report("this qemu build does not support the "
 750                      "\"disable-agent-file-xfer\" option");
 751         exit(1);
 752 #endif
 753     }
 754
 755     compression = SPICE_IMAGE_COMPRESS_AUTO_GLZ;
 756     str = qemu_opt_get(opts, "image-compression");
 757     if (str) {
 758         compression = parse_compression(str);
 759     }
 760     spice_server_set_image_compression(spice_server, compression);
 761
 762     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 763     str = qemu_opt_get(opts, "jpeg-wan-compression");
 764     if (str) {
 765         wan_compr = parse_wan_compression(str);
 766     }
 767     spice_server_set_jpeg_compression(spice_server, wan_compr);
 768
 769     wan_compr = SPICE_WAN_COMPRESSION_AUTO;
 770     str = qemu_opt_get(opts, "zlib-glz-wan-compression");
 771     if (str) {
 772         wan_compr = parse_wan_compression(str);
 773     }
 774     spice_server_set_zlib_glz_compression(spice_server, wan_compr);
 775
 776     str = qemu_opt_get(opts, "streaming-video");
 777     if (str) {
 778         int streaming_video = parse_stream_video(str);
 779         spice_server_set_streaming_video(spice_server, streaming_video);
 780     } else {
 781         spice_server_set_streaming_video(spice_server, SPICE_STREAM_VIDEO_OFF);
 782     }
 783
 784     spice_server_set_agent_mouse
 785         (spice_server, qemu_opt_get_bool(opts, "agent-mouse", 1));
 786     spice_server_set_playback_compression
 787         (spice_server, qemu_opt_get_bool(opts, "playback-compression", 1));
 788
 789     qemu_opt_foreach(opts, add_channel, &tls_port, NULL);
 790
 791     spice_server_set_name(spice_server, qemu_name);
 792     spice_server_set_uuid(spice_server, qemu_uuid);
 793
 794     seamless_migration = qemu_opt_get_bool(opts, "seamless-migration", 0);
 795     spice_server_set_seamless_migration(spice_server, seamless_migration);
 796     spice_server_set_sasl_appname(spice_server, "qemu");
 797     if (spice_server_init(spice_server, &core_interface) != 0) {
 798         error_report("failed to initialize spice server");
 799         exit(1);
 800     };
 801     using_spice = 1;
 802
 803     migration_state.notify = migration_state_notifier;
 804     add_migration_state_change_notifier(&migration_state);
 805     spice_migrate.base.sif = &migrate_interface.base;
 806     qemu_spice_add_interface(&spice_migrate.base);
 807
 808     qemu_spice_input_init();
 809     qemu_spice_audio_init();
 810
 811     qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 812     qemu_spice_display_stop();
 813
 814     g_free(x509_key_file);
 815     g_free(x509_cert_file);
 816     g_free(x509_cacert_file);
 817
 818 #if SPICE_SERVER_VERSION >= 0x000c02
 819     qemu_spice_register_ports();
 820 #endif
 821 }
 822
 823 int qemu_spice_add_interface(SpiceBaseInstance *sin)
 824 {
 825     if (!spice_server) {
 826         if (QTAILQ_FIRST(&qemu_spice_opts.head) != NULL) {
 827             error_report("Oops: spice configured but not active");
 828             exit(1);
 829         }
 830         /*
 831          * Create a spice server instance.
 832          * It does *not* listen on the network.
 833          * It handles QXL local rendering only.
 834          *
 835          * With a command line like '-vnc :0 -vga qxl' you'll end up here.
 836          */
 837         spice_server = spice_server_new();
 838         spice_server_set_sasl_appname(spice_server, "qemu");
 839         spice_server_init(spice_server, &core_interface);
 840         qemu_add_vm_change_state_handler(vm_change_state_handler, NULL);
 841     }
 842
 843     return spice_server_add_interface(spice_server, sin);
 844 }
 845
 846 static GSList *spice_consoles;
 847
 848 bool qemu_spice_have_display_interface(QemuConsole *con)
 849 {
 850     if (g_slist_find(spice_consoles, con)) {
 851         return true;
 852     }
 853     return false;
 854 }
 855
 856 int qemu_spice_add_display_interface(QXLInstance *qxlin, QemuConsole *con)
 857 {
 858     if (g_slist_find(spice_consoles, con)) {
 859         return -1;
 860     }
 861     qxlin->id = qemu_console_get_index(con);
 862     spice_consoles = g_slist_append(spice_consoles, con);
 863     return qemu_spice_add_interface(&qxlin->base);
 864 }
 865
 866 static int qemu_spice_set_ticket(bool fail_if_conn, bool disconnect_if_conn)
 867 {
 868     time_t lifetime, now = time(NULL);
 869     char *passwd;
 870
 871     if (now < auth_expires) {
 872         passwd = auth_passwd;
 873         lifetime = (auth_expires - now);
 874         if (lifetime > INT_MAX) {
 875             lifetime = INT_MAX;
 876         }
 877     } else {
 878         passwd = NULL;
 879         lifetime = 1;
 880     }
 881     return spice_server_set_ticket(spice_server, passwd, lifetime,
 882                                    fail_if_conn, disconnect_if_conn);
 883 }
 884
 885 int qemu_spice_set_passwd(const char *passwd,
 886                           bool fail_if_conn, bool disconnect_if_conn)
 887 {
 888     if (strcmp(auth, "spice") != 0) {
 889         return -1;
 890     }
 891
 892     g_free(auth_passwd);
 893     auth_passwd = g_strdup(passwd);
 894     return qemu_spice_set_ticket(fail_if_conn, disconnect_if_conn);
 895 }
 896
 897 int qemu_spice_set_pw_expire(time_t expires)
 898 {
 899     auth_expires = expires;
 900     return qemu_spice_set_ticket(false, false);
 901 }
 902
 903 int qemu_spice_display_add_client(int csock, int skipauth, int tls)
 904 {
 905     if (tls) {
 906         return spice_server_add_ssl_client(spice_server, csock, skipauth);
 907     } else {
 908         return spice_server_add_client(spice_server, csock, skipauth);
 909     }
 910 }
 911
 912 void qemu_spice_display_start(void)
 913 {
 914     spice_display_is_running = true;
 915     spice_server_vm_start(spice_server);
 916 }
 917
 918 void qemu_spice_display_stop(void)
 919 {
 920     spice_server_vm_stop(spice_server);
 921     spice_display_is_running = false;
 922 }
 923
 924 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
 925 {
 926     return spice_display_is_running;
 927 }
 928
 929 static void spice_register_config(void)
 930 {
 931     qemu_add_opts(&qemu_spice_opts);
 932 }
 933 machine_init(spice_register_config);